/* ============================
   1. TOKENS — edit these to re-theme the whole site
   ============================ */
:root {
  /* color */
  --color-ink: #15191E;
  --color-paper: #F2F4F3;
  --color-surface: #FFFFFF;
  --color-blueprint: #1E3A5F;
  --color-blueprint-dark: #12253E;
  --color-copper: #A8611F;
  --color-copper-dark: #7E4917;
  --color-verdigris: #4E7C6B;
  --color-border: #D8DEE2;
  --color-muted: #5B6570;

  /* type */
  --font-display: 'Archivo', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* scale */
  --step-sm: clamp(0.85rem, 0.8rem + 0.2vw, 0.95rem);
  --step-base: 1rem;
  --step-lg: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  --step-xl: clamp(1.9rem, 1.5rem + 2vw, 3.1rem);

  /* spacing (macro rhythm generous, micro rhythm tight — see design brief) */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 5.5rem;

  --radius: 8px;
  --radius-lg: 14px;
  --max-width: 1180px;
}

/* ============================
   2. RESET
   ============================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: var(--step-base);
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-paper);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-ink);
}

ul { list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--color-ink); color: var(--color-surface);
  padding: 0.6rem 1rem; z-index: 200;
}
.skip-link:focus { left: 0; }

a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--color-blueprint);
  outline-offset: 2px;
}

/* ============================
   3. LAYOUT PRIMITIVES
   ============================ */
.header-inner,
.hero,
.value-props,
.social-proof,
.offer,
.faq,
.final-cta,
.footer-inner {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

section { padding-block: var(--space-lg); }

/* ============================
   4. HEADER
   ============================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(242, 244, 243, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 0.5px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: 1rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}
.logo span { color: var(--color-copper); }

.main-nav { display: none; }

.main-nav ul {
  display: flex;
  gap: var(--space-md);
  font-size: var(--step-sm);
  font-weight: 500;
}

.main-nav a:hover { color: var(--color-copper); }

.header-cta { display: none; }

/* ============================
   5. BUTTONS
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--step-sm);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--color-copper);
  color: var(--color-surface);
}
.btn-primary:hover { background: var(--color-copper-dark); }

.btn-secondary {
  background: transparent;
  border-color: var(--color-ink);
  color: var(--color-ink);
}
.btn-secondary:hover { background: var(--color-ink); color: var(--color-surface); }

.btn-large { padding: 1rem 2.25rem; font-size: var(--step-lg); }

/* ============================
   6. HERO
   ============================ */
.hero {
  display: grid;
  gap: var(--space-lg);
  padding-block-start: var(--space-xl);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--step-sm);
  color: var(--color-blueprint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xs);
}

.hero h1 {
  font-size: var(--step-xl);
  max-width: 16ch;
  margin-bottom: var(--space-sm);
}

.hero-sub {
  font-size: var(--step-lg);
  color: var(--color-muted);
  max-width: 42ch;
  margin-bottom: var(--space-md);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  border-top: 0.5px solid var(--color-border);
  padding-top: var(--space-md);
}

.stat dt {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-ink);
}
.stat dt span { color: var(--color-copper); }

.stat dd {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-top: 0.2rem;
}

.hero-visual { display: none; }

.schema-line { stroke: var(--color-blueprint); opacity: 0.35; }
.schema-node { fill: var(--color-copper); }

/* ============================
   7. VALUE PROPS
   ============================ */
.value-grid {
  display: grid;
  gap: var(--space-md);
}

.value-card {
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.value-icon {
  width: 32px; height: 32px;
  stroke: var(--color-copper);
  margin-bottom: var(--space-sm);
}

.value-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.value-card p { color: var(--color-muted); font-size: var(--step-sm); }

/* ============================
   8. SOCIAL PROOF
   ============================ */
.social-proof h2 { font-size: var(--step-xl); max-width: 20ch; margin-bottom: var(--space-md); }

.trust-paragraph {
  max-width: 68ch;
  color: var(--color-muted);
  font-size: var(--step-lg);
  margin-bottom: var(--space-lg);
}

.testimonials {
  display: grid;
  gap: var(--space-sm);
}

.testimonial-card {
  background: var(--color-surface);
  border-left: 3px solid var(--color-verdigris);
  border-radius: 0;
  padding: var(--space-sm) var(--space-md);
}

.testimonial-card blockquote {
  font-size: var(--step-sm);
  margin-bottom: 0.6rem;
}

.testimonial-card cite {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-style: normal;
  color: var(--color-muted);
}

/* ============================
   9. OFFER
   ============================ */
.offer h2 { font-size: var(--step-xl); margin-bottom: var(--space-lg); }

.offer-grid {
  display: grid;
  gap: var(--space-sm);
}

.offer-card {
  position: relative;
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.offer-card.featured {
  border: 2px solid var(--color-copper);
}

.offer-card .badge {
  position: absolute;
  top: -0.7rem; left: var(--space-md);
  background: var(--color-copper);
  color: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.offer-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.offer-card p { color: var(--color-muted); font-size: var(--step-sm); }

/* ============================
   10. FAQ
   ============================ */
.faq h2 { font-size: var(--step-xl); margin-bottom: var(--space-md); }

.faq-list { display: flex; flex-direction: column; gap: 0.5rem; }

.faq-item {
  background: var(--color-surface);
  border: 0.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-md);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: var(--step-sm);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--color-copper);
  margin-left: var(--space-sm);
}

.faq-item[open] summary::after { content: '–'; }

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item p {
  margin-top: 0.75rem;
  color: var(--color-muted);
  font-size: var(--step-sm);
}

/* ============================
   11. FINAL CTA
   ============================ */
.final-cta {
  background: var(--color-ink);
  color: var(--color-surface);
  border-radius: var(--radius-lg);
  text-align: center;
  padding-block: var(--space-xl);
}

.final-cta h2 {
  color: var(--color-surface);
  font-size: var(--step-xl);
  margin-bottom: var(--space-sm);
}

.final-cta p {
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-md);
}

.contact-form {
  text-align: left;
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.form-status {
  font-size: var(--step-sm);
  color: var(--color-verdigris);
  min-height: 1.2em;
  margin-bottom: 0.5rem;
}
.form-status.is-error { color: var(--color-copper-dark); }

.form-row {
  display: grid;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: var(--space-sm);
}

.form-field label {
  font-size: var(--step-sm);
  font-weight: 600;
  color: var(--color-ink);
}

.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: var(--step-sm);
  color: var(--color-ink);
  background: var(--color-paper);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.65rem 0.9rem;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-blueprint);
}

.form-field textarea { resize: vertical; min-height: 100px; }

.form-submit { width: 100%; }

.final-cta-alt {
  margin-top: var(--space-md);
  font-size: var(--step-sm);
  color: rgba(255,255,255,0.6) !important;
}
.final-cta-alt a { color: var(--color-surface); text-decoration: underline; }

/* ============================
   12. FOOTER
   ============================ */
.site-footer {
  background: var(--color-blueprint-dark);
  color: rgba(255,255,255,0.7);
  padding-block: var(--space-lg) var(--space-md);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 0.5px solid rgba(255,255,255,0.15);
}

.footer-brand .logo { color: var(--color-surface); }
.footer-brand .logo span { color: var(--color-copper); }
.footer-brand p { font-size: var(--step-sm); margin-top: 0.4rem; }

address {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-style: normal;
  font-size: var(--step-sm);
}
address a:hover { color: var(--color-copper); }

.footer-note {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
  margin-top: var(--space-md);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
}

/* ============================
   13. BREAKPOINTS — mobile first
   ============================ */
@media (min-width: 640px) {
  .value-grid { grid-template-columns: repeat(3, 1fr); }
  .offer-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-wrap: nowrap; }
  .form-row { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 960px) {
  .main-nav { display: block; }
  .header-cta { display: inline-flex; }

  .hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    padding-block: var(--space-xl);
  }
  .hero-visual { display: block; }

  .offer-grid { grid-template-columns: repeat(3, 1fr); }

  .footer-inner { flex-direction: row; justify-content: space-between; align-items: flex-start; }
}